function reloadStylesheets () {
	var link;
	try {
		var links = document.getElementsByTagName ('LINK');
		for (var linkIndex = 0; linkIndex < links.length; linkIndex ++) {
			link = links [linkIndex];
			if (link.type == 'text/css') {
				link.href += ((link.href.indexOf ('?') == -1) ? '?' : '')
					+ '&date=' + escape (new Date ());
			}
		}
	}
	catch (e) {
		alert ('Reloading CSS : ' + e + "(last reloaded : " + link + ")");
	}
}